Finding the Fourth Proportional to 1,203,638,753,607.90, 1,660,971,348,712.70 and 654,932,213,369.34
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Solution
The fourth proportional to 1,203,638,753,607.90, 1,660,971,348,712.70 and 654,932,213,369.34 is: 903,779,176,679.65
Step by Step Solution
- Step 1: Write the proportion equation
1,203,638,753,607.90 : 1,660,971,348,712.70 = 654,932,213,369.34 : x - Step 2: Convert to fraction form
1,203,638,753,607.90/1,660,971,348,712.70 = 654,932,213,369.34/x - Step 3: Cross multiply
1,203,638,753,607.90x = 1,660,971,348,712.70 × 654,932,213,369.34 - Step 4: Simplify right side
1,203,638,753,607.90x = 1,087,823,641,755,466,344,693,760 - Step 5: Solve for x
x = 1,087,823,641,755,466,344,693,760/1,203,638,753,607.90 - Step 6: Final answer
x = 903,779,176,679.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.